Bump Temporalio and Temporalio.Extensions.OpenTelemetry (#154)

Bumps [Temporalio](https://github.com/temporalio/sdk-dotnet) and [Temporalio.Extensions.OpenTelemetry](https://github.com/temporalio/sdk-dotnet). These dependencies needed to be updated together.

Updates `Temporalio` from 1.6.0 to 1.6.0
- [Release notes](https://github.com/temporalio/sdk-dotnet/releases)
- [Commits](temporalio/sdk-dotnet@1.6.0...1.6.0)

Updates `Temporalio.Extensions.OpenTelemetry` from 1.5.0 to 1.6.0
- [Release notes](https://github.com/temporalio/sdk-dotnet/releases)
- [Commits](temporalio/sdk-dotnet@1.5.0...1.6.0)

---
updated-dependencies:
- dependency-name: Temporalio
  dependency-version: 1.6.0
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: Temporalio.Extensions.OpenTelemetry
  dependency-version: 1.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

sample/ServiceDefaults/ServiceDefaults.csproj

@@ -20,7 +20,7 @@
     <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.11.1" />
     <PackageReference Include="OpenTelemetry.Instrumentation.Runtime" Version="1.11.1" />
     <PackageReference Include="Temporalio.Extensions.DiagnosticSource" Version="1.6.0" />
-    <PackageReference Include="Temporalio.Extensions.OpenTelemetry" Version="1.5.0" />
+    <PackageReference Include="Temporalio.Extensions.OpenTelemetry" Version="1.6.0" />
   </ItemGroup>
 
 </Project>